| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,354 |
| Official European Union Languages | 0 | - | 4.97 | 238,974 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,173 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,757 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,780 |
| States of Germany | 0 | - | 4.95 | 153,318 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,309 |
| Regions of Italy | 0 | - | 4.92 | 76,307 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,463 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,475 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,434 |
| Departments of France | 0 | - | 4.93 | 54,520 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,156 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,621 |
| England or Wales? | 0 | - | 4.94 | 45,813 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,224 |
| Slavic Languages | 0 | - | 4.68 | 54,484 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,122 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,087 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,951 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,922 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,380 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,815 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,325 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,436 |
| Celtic Nations | 0 | - | 4.69 | 47,003 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,582 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,536 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,375 |
| Regions of France | 0 | - | 4.70 | 121,307 |
| France Immigration by Country | 0 | - | 4.70 | 76,698 |
| Famous Germans | 0 | - | 4.50 | 55,544 |
| German Groups of Things | 0 | - | 4.46 | 38,530 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,490 |
| Germany True or False? | 0 | - | 4.61 | 48,901 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,218 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,851 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,514 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,347 |
| Counties of England | 0 | - | 4.97 | 799,221 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,468 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,701 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,382 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,679 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,611 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,506 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,982 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,423 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,101 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,363 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,122 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,895 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,255 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,280 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,186 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,271 |
| Champions League Winners | 0 | - | 4.92 | 1,010,258 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,594 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,222 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,959 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,176 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,760 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,026 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,460 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,730 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,792 |
| Famous French People | 0 | - | 4.07 | 35,877 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,211 |
| Word Chain - France | 0 | - | 4.38 | 42,852 |
| Germany Country Quiz | 0 | - | 4.83 | 158,226 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,668 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,712 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,646 |
| Italian Foods | 0 | - | 4.30 | 72,964 |
| The Mafia Quiz | 0 | - | 4.46 | 23,375 |
| History of The Netherlands | 0 | - | 4.46 | 17,491 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,136 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,273 |
| Canary Islands | 0 | - | 4.62 | 17,495 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,299 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,840 |
| British Spellings | 0 | - | 4.06 | 99,516 |
| British Groups of Things | 0 | - | 4.25 | 82,917 |
| British Acronyms | 0 | - | 4.40 | 45,858 |
| UK Immigration by Country | 0 | - | 4.94 | 141,196 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,059 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,250 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,046 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,967 |
| Geography of Scotland | 0 | - | 4.63 | 21,668 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,084 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,655 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,676 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,917 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,702 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,660 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,876 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,646 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,091 |
| France A-Z | 0 | - | 4.16 | 38,273 |
| French History Multiple Choice | 0 | - | 4.55 | 33,134 |
| History of Germany | 0 | - | 4.39 | 52,906 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,118 |
| Name that Greek Letter | 0 | - | 4.93 | 324,228 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,720 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,670 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,517 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,665 |
| Languages of Spain | 0 | - | 4.36 | 23,355 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,539 |
| Switzerland A-Z | 0 | - | 4.45 | 25,695 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,782 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,051 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,886 |
| Malta Country Quiz | 0 | - | 4.81 | 31,124 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,938 |
| History of Russia Quiz | 0 | - | 4.47 | 31,957 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,783 |
| Movies Set in France | 0 | - | 4.26 | 13,135 |
| French Inventions | 0 | - | 4.10 | 13,910 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,386 |
| History of Paris | 0 | - | 4.24 | 13,663 |
| Word Chain - Germany | 0 | - | 4.31 | 22,631 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,218 |
| The Trojan War | 0 | - | 4.83 | 39,808 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,297 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,568 |
| History of Italy | 0 | - | 4.55 | 32,062 |
| Word Chain - Italy | 0 | - | 4.07 | 23,191 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,986 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,131 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,664 |
| Roman Emperors | 0 | - | 4.95 | 120,442 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,725 |
| Famous Nordic People | 0 | - | 4.34 | 20,178 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,624 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,307 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,364 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,547 |
| People on Money - England | 0 | - | 4.29 | 16,625 |
| Name a Valid English City | 0 | - | 4.19 | 16,757 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,758 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,584 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,650 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,023 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,418 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,820 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,372 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,040 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,371 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,233 |
| European Geography By Letter - R | 0 | - | 4.42 | 94,042 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,306 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,872 |
| Europe Map Quiz | 0 | - | 5.00 | 4,772,583 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,364 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,024 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,319 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,305 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,911 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,561 |
| Capitals of French Regions | 0 | - | 4.45 | 16,117 |
| Kings of France Quiz | 0 | - | 4.20 | 32,828 |
| Capitals of German States | 0 | - | 4.74 | 28,991 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,407 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,036 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,525 |
| Ancient Greek Words | 0 | - | 4.93 | 111,944 |
| British to American Food Translation | 0 | - | 3.38 | 51,987 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,497 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,160 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,143 |
| Famous Scottish People | 0 | - | 4.22 | 18,415 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,629 |
| Top World Languages | 0 | - | 4.92 | 824,885 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,189 |
| Oceania Map Quiz | 0 | - | 4.98 | 654,506 |
| Australian Capitals | 0 | - | 4.92 | 62,760 |
| European Physical Geography | 0 | - | 4.26 | 33,542 |
| Geography of Russia | 0 | - | 4.57 | 21,556 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,025 |
| History of Austria | 0 | - | 4.70 | 17,913 |
| Austria Country Quiz | 0 | - | 4.57 | 59,856 |
| Belgium Country Quiz | 0 | - | 4.72 | 71,965 |
| France Country Quiz | 0 | - | 4.70 | 135,226 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,245 |
| Geography of the French Empire | 0 | - | 4.45 | 27,158 |
| The French Revolution | 0 | - | 4.47 | 24,071 |
| France Multiple Choice | 0 | - | 4.39 | 40,774 |
| Tour de France Winners | 0 | - | 4.27 | 15,422 |
| History of France | 0 | - | 4.61 | 57,302 |
| Greece Country Quiz | 0 | - | 4.74 | 66,387 |
| Italy Country Quiz | 0 | - | 4.77 | 123,643 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,176 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,291 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,831 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,576 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,675 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,564 |
| The Vikings! | 0 | - | 4.46 | 28,372 |
